Finding the Fourth Proportional to 157,388.33, 236,013.04 and 45,042.99
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Solution
The fourth proportional to 157,388.33, 236,013.04 and 45,042.99 is: 67,544.60
Step by Step Solution
- Step 1: Write the proportion equation
157,388.33 : 236,013.04 = 45,042.99 : x - Step 2: Convert to fraction form
157,388.33/236,013.04 = 45,042.99/x - Step 3: Cross multiply
157,388.33x = 236,013.04 × 45,042.99 - Step 4: Simplify right side
157,388.33x = 10,630,732,171.84 - Step 5: Solve for x
x = 10,630,732,171.84/157,388.33 - Step 6: Final answer
x = 67,544.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.